All-time weather records — Rio Vista, TX

Record high
114.1°F
September 2, 1939
Record low
-5.1°F
December 23, 1989
Wettest day
9.02 in
May 17, 1989

Climate change signal in Rio Vista

6.8%

of Rio Vista's all-time daily heat records were set in the last decade (25 of 366 records since 2015).

3.6%

of all-time daily cold records were set in the last decade (13 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1900s
13
6
1910s
15
44
1920s
73
35
1930s
52
33
1940s
31
49
1950s
45
36
1960s
17
30
1970s
14
40
1980s
34
39
1990s
23
19
2000s
18
10
2010s
11
15
2020s
20
10

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1907, the latest in 2025. Period of observation: 1907-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 90.0°F — Jan 23, 1943 -2.9°F — Jan 18, 1930 4.00 in — Jan 25, 2012
February 98.1°F — Feb 21, 1996 -0.9°F — Feb 8, 1933 4.15 in — Feb 25, 1948
March 100.9°F — Mar 31, 1974 10.9°F — Mar 3, 1943 4.95 in — Mar 27, 1977
April 102.0°F — Apr 10, 1963 25.0°F — Apr 3, 1915 6.43 in — Apr 13, 1991
May 107.1°F — May 28, 1927 34.0°F — May 3, 2013 9.02 in — May 17, 1989
June 113.0°F — Jun 27, 1980 48.9°F — Jun 1, 1964 4.64 in — Jun 21, 1947
July 111.9°F — Jul 25, 1954 57.0°F — Jul 5, 1924 4.51 in — Jul 30, 1933
August 111.9°F — Aug 4, 1929 51.1°F — Aug 31, 1915 5.90 in — Aug 26, 1974
September 114.1°F — Sep 2, 1939 30.0°F — Sep 27, 1908 6.35 in — Sep 2, 1986
October 104.0°F — Oct 3, 1951 19.9°F — Oct 30, 1917 5.07 in — Oct 19, 1971
November 97.0°F — Nov 13, 2022 12.0°F — Nov 11, 1950 4.39 in — Nov 13, 1998
December 93.0°F — Dec 30, 1951 -5.1°F — Dec 23, 1989 5.02 in — Dec 20, 1991

Click a month to see every daily record for that month in Rio Vista.